121504252051044 has 48 divisors (see below), whose sum is σ = 315183067507840. Its totient is φ = 40479297449760.

The previous prime is 121504252051033. The next prime is 121504252051079. The reversal of 121504252051044 is 440150252405121.

121504252051044 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 0 + 42 + 520 + 51 + 0 + 44 = 666.

It is a super-3 number, since 3×121504252051044³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307022179 + ... + 307417674.

Almost surely, 2^{121504252051044} is an apocalyptic number.

It is an amenable number.

121504252051044 is an abundant number, since it is smaller than the sum of its proper divisors (193678815456796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121504252051044 is a wasteful number, since it uses less digits than its factorization.

121504252051044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614441697 (or 614441689 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 121504252051044 in words is "one hundred twenty-one trillion, five hundred four billion, two hundred fifty-two million, fifty-one thousand, forty-four".